PHILIPS 6922 / E88CC — Vintage U.S.A. Matched Pair
Laboratory Verified
Made in U.S.A.
JAN (Joint Army Navy) Grade
Dual Triode 6922 / E88CC
Amplitrex AT1000 Verified
Presenting a precision matched pair (2 pieces) of authentic vintage Philips JAN 6922 vacuum tubes, proudly Made in the U.S.A.. These military-grade valves feature the iconic Top Ring Getter and are sought after for their low noise floor and exceptional clarity in high-end audio circuits.
Both tubes have been thoroughly tested on the professional Amplitrex AT1000 analyzer. This pair exhibits robust emission and is perfectly suited for use in premium preamplifiers and digital-to-analog converters.
| Serial No. | Triode Section | Parameter Ip mAdc | Result Ip mAdc | % Ip | Parameter Gm uMhos | Result Gm uMhos | % Gm |
|---|---|---|---|---|---|---|---|
| #1485023 | Section 1 (T1) | 15.0 | 12.4 | 82.6% | 12500 | 11000 | 88.0% |
| Section 2 (T2) | 15.0 | 15.7 | 104.6% | 12500 | 10900 | 87.2% | |
| #1485025 | Section 1 (T1) | 15.0 | 12.7 | 84.6% | 12500 | 11400 | 91.2% |
| Section 2 (T2) | 15.0 | 14.7 | 98.0% | 12500 | 10230 | 81.8% |
Technical Note: Percentage calculations are based on standard Amplitrex factory parameters for the 6922/E88CC family ($I_p$ = 15.0mA, $G_m$ = 12,500 uMhos).
Matching Data: Measurements include Gain (Mu) and Plate Resistance (RP) for precision application.
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